Southeast High School

Lanphier High School *PLEASE NOTE THE DATE & TIME CHANGE Saturday, August 20th 8:30 am - 12:00 pm Enter/leave using the ramp to the large commons (construction of the ramp will...

The Eastside came out to support our talented Spartan, Isaiah Pickett, in Percy Jackson’s “The Lightning Thief.” Isaiah took on the role of Percy, and he was AMAZING! The teen pro...

All students enrolling in District 186 for the 2022/2023 school year must be registered. Online registration is currently open, click here to register! You can register fr...

Congratulations to Principal Trigg for being featured in the Springfield Business Journal's top 40 leaders section. The Springfield Business Journal proudly features 40 leaders w...

Parking tags may be purchased in the main office. Students must have a permit tag to park on school property in the STUDENT PARKING LOT only and may not park in FACULTY ...

A shout out to BRIANNA JONES! She qualified for state in 100 hurdles and 300 hurdles. She took home 8th place in the 300 hurdles making her the only state medalist this seaso...

Come to the Southeast Cheer car wash! It will be held on Saturday, July 30 in the football parking lot from 11:00-2:00 PM. The cost is only $5!

SSHS Proudly Recognizes the Following Seniors: Edward “EJ” Alexander - Greenville College - basketball Natalie McLaughlin - Loyola of New Orleans - swimming ...

Every year, "This I Believe" on NPR Illinois features essays from our community's high school seniors. Ten essayists read their essays and are featured on the air. Congratulations...

February 22, 2022 - Mr. Potter's freshman biology class is trying to determine if the fish species we purchase at the grocery store is actually the fish species advertised. Dur...

December 10, 2022 - The Southeast PTO is excited to share photos from one of the teacher grants awarded in the fall. Choir teacher Angela Stoutenborough requested tickets to tak...